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////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014 Microsoft Corporation. All Rights Reserved.
//
// Module Name:
// HelperFunctions_FwpmLayer.cpp
//
// Abstract:
// This module contains prototypes for functions which assist in actions pertaining to
// FWPM_LAYER objects.
//
// Author:
// Dusty Harper (DHarper)
//
// Revision History:
//
// [ Month ][Day] [Year] - [Revision]-[ Comments ]
// May 01, 2010 - 1.0 - Creation
// December 13, 2013 - 1.1 - Add basic support for WinBlue Fast layers
//
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef HELPERFUNCTIONS_FWPM_LAYER_H
#define HELPERFUNCTIONS_FWPM_LAYER_H
_At_(*pppFilterConditionArray, _Pre_ _Null_)
_When_(return != NO_ERROR, _At_(*pppFilterConditionArray, _Post_ _Null_))
_When_(return == NO_ERROR, _At_(*pppFilterConditionArray, _Post_ _Maybenull_))
_Success_(return == NO_ERROR)
UINT32 HlprFwpmLayerGetFilterConditionArrayByKey(_In_ const GUID* pLayerKey,
_Outptr_result_buffer_maybenull_(*pConditionArrayCount) GUID*** pppFilterConditionArray,
_Out_ UINT16* pConditionArrayCount);
_Success_(return < FWPS_BUILTIN_LAYER_MAX)
UINT8 HlprFwpmLayerGetIDByKey(_In_ const GUID* pLayerKey);
_Success_(return < FWPS_BUILTIN_LAYER_MAX)
UINT8 HlprFwpmLayerGetIDByString(_In_ PCWSTR pLayerString);
_Success_(return != 0)
const GUID* HlprFwpmLayerGetByString(_In_ PCWSTR pLayerString);
_Success_(return != 0)
const GUID* HlprFwpmLayerGetByID(_In_ const UINT32 pLayerID);
BOOLEAN HlprFwpmLayerIsUserMode(_In_ const GUID* pLayerKey);
BOOLEAN HlprFwpmLayerIsKernelMode(_In_ const GUID* pLayerKey);
BOOLEAN HlprFwpmLayerIsIPv4(_In_ const GUID* pLayerKey);
BOOLEAN HlprFwpmLayerIsIPv6(_In_ const GUID* pLayerKey);
#endif /// HELPERFUNCTIONS_FWPM_LAYER_H
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